You need to use Git GUI. Can you do the following?
Search for Git GUI, right-click the icon and select “Run as administrator“:
Yes, I got past this stage, then it said to to open git bash. which I did and then asked me to open a
Git Bash session pointing to
[ARDUINO_SKETCHBOOK_DIR]/hardware/espressif/esp32 and execute
git submodule update --init --recursive
I do not know what this means? To point to ARDUINO SKETCHBOOK_DIR >
But does that happen in a new window? Can you execute that command? (That command should automatically run in the background)